com.xxdb.compression

Class LZ4Decoder

java.lang.Object

com.xxdb.compression.AbstractDecoder

com.xxdb.compression.LZ4Decoder

All Implemented Interfaces:

Decoder

public class LZ4Decoder
extends AbstractDecoder

Constructor Summary

Constructors

Constructor and Description
LZ4Decoder()

Method Summary

Modifier and Type	Method and Description
ExtendedDataInput	decompress(DataInput in, int length, int unitLength, int elementCount, boolean isLittleEndian, int extra, int type, short scale) This method takes in an input stream with many blocks and decompresses them all into a byte array

Methods inherited from class com.xxdb.compression.AbstractDecoder

createColumnVector, createLZ4ColumnVector

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LZ4Decoder

public LZ4Decoder()

Method Detail

decompress

public ExtendedDataInput decompress(DataInput in,
                                    int length,
                                    int unitLength,
                                    int elementCount,
                                    boolean isLittleEndian,
                                    int extra,
                                    int type,
                                    short scale)
                             throws IOException

Description copied from interface: Decoder

This method takes in an input stream with many blocks and decompresses them all into a byte array

Form of input: 1. 4 bytes - block size 2. contents 3. 4 bytes - block size 4. contents ...

Parameters:

in - input stream

length - input length, continue from current position of input stream

unitLength - The length of an element in bytes. It is zero if the element is a string object.

Returns:

Throws:

IOException